The highest video resolution supported by the Nikon S9400 is 1920 x 1080 pixels. That's over six times the video resolution of a 640 x 480 pixels digital camera, which is the most common video resolution supported by digital cameras of a similar spec and age to this digital camera. 640 x 480 pixels is also supported by this camera. This digital camera also support video resolutions of 320 x 240 pixels and 960 x 540 pixels and 1280 x 720 pixels. A video resolution of 1920 x 1080 pixels is equivalent to Full HD video. You will require a Full HD TV or better to appreciate this level of detail.
This camera's video resolution (1920 x 1080 pixels) is actually the best supported video resolution across all similar spec digital cameras that came out around the same time as this digital camera.
A 320 x 240 pixels video resolutions is the worst supported video resolution amongst similar types of camera.
What does "video resolutions" mean?